One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,9)(4,8)(5,6)(7,11)(10,16)(12,14)(13,15)(17,18,23,21)(19,25,20,24)(22,26,30,29)(27,32,28,31)(33,34,38,42)(35,39,43,48)(36,40,46,45)(37,41,47,44)(2,5)(4,12)(7,9)(10,13)(17,19,23,20)(18,24,21,25)(22,28,30,27)(26,32,29,31)(35,43)(37,47)(39,48)(41,44)(1,3,6,11)(2,7,5,9)(4,13,12,10)(8,16,14,15)(17,19,23,20)(18,25,21,24)(22,27,30,28)(26,32,29,31)(33,35)(34,39)(36,41)(37,45)(38,43)(40,47)(42,48)(44,46)(1,3)(2,7)(4,10)(5,9)(6,11)(8,15)(12,13)(14,16)(17,20,23,19)(18,25,21,24)(22,28,30,27)(26,32,29,31)(1,4)(2,8)(3,10)(5,14)(6,12)(7,15)(9,16)(11,13)(17,21,23,18)(19,25,20,24)(22,29,30,26)(27,32,28,31)(33,36)(34,40)(35,44)(37,39)(38,46)(41,43)(42,45)(47,48)(1,5,6,2)(3,9,11,7)(4,14,12,8)(10,16,13,15)(17,22)(18,26)(19,27)(20,28)(21,29)(23,30)(24,31)(25,32)(33,37)(34,41)(35,45)(36,39)(38,47)(40,43)(42,44)(46,48)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.